pub fn serveU64Message(s: *const Server, tag: OutMessage.Tag, int: u64) !void
pub fn serveU64Message(s: *const Server, tag: OutMessage.Tag, int: u64) !void { assert(tag != .coverage_id); try serveMessageHeader(s, .{ .tag = tag, .bytes_len = @sizeOf(u64), }); try s.out.writeInt(u64, int, .little); try s.out.flush(); }